Question about Fisher and Paykel Washing Machines
37. (00100101) Phase 1 to 6 - Pump Blocked Error ( No change in the water
While draining, the water level reading from the pressure sensor has not changed
for over 3 minutes. There are three likely reasons for this fault. One is that the
drain hose or the pressure switch hose has been squashed or kinked and the pump
out rate has been dramatically reduced. The second possibility is that the pump is
partially or fully blocked. The third is that the pump is not operating due to Motor
Controller module, wiring or pump failure. This fault could also appear if the
machine is pumping to an unusually high head of drain hose or into an extended
length of drain hose. The Fourth possibility is a diverter valve fault or blockage,
water level is not altering as the diverter is stuck in the recirculation mode, giving
the module the appearance the pump is not lowering the water level.
Primary Source: Pump System.
1) Check that the drain hose has not been kinked.
2) Check the length of the drain hose and try to reduce the length if excessively
long. A 39 inch (1 metre) extension hose of the same diameter fitted to the
existing drain hose is the maximum allowable length.
3) Check for open circuit windings in the pump. (Note: Pumps are fitted with a
thermal cut-out, which will reset on cooling.)
4) If the Tub is empty of water, remove the pump from the pump housing and
check that it is not blocked. Also check the drain hose is not blocked.
5) If the Tub contains water, then service the pump from the top of the machine
by removing the top deck and Basket. Bail out the water, remove the pump
cap and hood and clear the restriction.
Secondary Source: Wiring.
1) Check the pump harness is connected correctly to the pump.
2) Check continuity of the pump harness.
Tertiary Source: Motor Controller module.
Activate the pump by operating the machine in spin mode. Check the pump
is rotating. If it is not operating, and Primary and Secondary checks have
been performed, then replace the Motor Controller module.
Note: Consider fitting Pump Hood Kit (WM013). If (5kg) 11lb SmartDrive fit splash
guard to pump.
Quaternary Source: Diverter Valve failure (Phase 5 and 6 Eco's )
Check the diverter valve, see fault code 51
51. (00110011) Phase 5 and 6 Eco - Diverter Valve Fault
Primary: The motor controller has registered a drop in water level in the
recirculation phase of the wash cycle, water is being drained instead of recirculated.
Or water has been sprayed onto the valve from an external source and caused the
solenoid to blow.
Turn the power off at the machine but leave the power on at the wall, then measure
the voltage across the terminals of the wax actuator, if a reading of 120V is
achieved the motor controller has failed due to the valve and both will need to be
Secondary: Check for blockage in the valve itself or a broken hinge mechanism
Posted on Dec 26, 2013
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Posted on Jan 02, 2017
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